Recently I have been tested 37d dhs rubbers for bh. I actually find them to be really good! I have tested H3, H8, and H8-80. To me, H8 is best, H3 is 2nd, and H80 is still pretty good but 3rd. All of them need to be boosted, but are pretty fast with booster. H8 is the fastest.
37d doesnt feel...